Carry sports equipment or luggage in an aerodynamic roof box designed to complement your CLA. Made of light yet durable thermoplastic, it features a security lock and opens on both sides via gas struts. Large box (16 cu ft) and medium box (14 cu ft) come in black metallic or matte silver. Small box (11.5 cu ft) is titanium metallic. Each holds up to 110 lbs and requires the roof rack basic carrier (sold separately). Also sold separately are inserts to secure up to three pairs of skis and poles.